- #include <reg51.h>
- #define uchar unsigned char
- sbit beepIO=P2^0;
- uchar m,n;
- uchar code T[49][2]={{0,0},
- {0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},
- {0xFA,0x66},{0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},
- {0xFB,0xCF},{0xFC,0x0B},{0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},
- {0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x81},
- {0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},{0xFE,0x21},
- {0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},
- {0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},
- {0xFF,0x02},{0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},
- {0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{0xFF,0x69},
- {0xFF,0x71},{0xFF,0x79},{0xFF,0x81}};
- uchar code music[][2]={{0,4},{11,4},{18,4},{18,4},{18,4},{18,8},{16,4},
- {14,6},{16,2},{16,4},{13,4},{11,12},
- {22,4},{22,4},{22,4},{22,4},{22,6},{21,12},
- {18,4},{21,4},{10,4},{19,4},{18,12},
- {18,4},{23,4},{23,4},{21,4},{18,6},{16,12},
- {14,4},{16,2},{16,4},{13,4},{11,8},{6,8},
- {6,4},{14,4},{14,4},{13,4},{11,6},{18,12},
- {16,6},{14,2},{13,4},{9,4},{11,8},{12,12},{10,4},{0xFF,0xFF}};
- void delay(uchar p)
- {
- uchar i,j;
- for(;p>0;p--)
- for(i=181;i>0;i--)
- for(j=181;j>0;j--);
- }
- void pause()
- {
- uchar i,j;
- for(i=150;i>0;i--)
- for(j=150;j>0;j--);
- }
- void T0_int() interrupt 1
- {
- beepIO=!beepIO;
- TH0=T[m][0]; TL0=T[m][1];
- }
- void main()
- {
- uchar i=0;
- TMOD=0x01; EA=1; ET0=1;
- while(1)
- {
- m=music[i][0];n=music[i][1];
- if(m==0x00)
- {TR0=0;delay(n);i++;}
- else if(m==0xFF)
- {TR0=0;delay(30);i=0;}
- else if(m==music[i+1][0])
- {TR0=1;delay(n);TR0=0;pause();i++;}
- else
- {TR0=1;delay(n);i++;}
- }
- }
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